10            20        30        40        50        60
UGCAUCUUUGUAUCCAG----|    CU      U          A        GGAUUGCUA 
                     CUGAU  GUGGUU AGGUAGUUUC UGUUGUUG         A
                     GACUG  CAUUAA UCCGUCAAAG ACAACGGC         U
CAACGUGAACUACUUCUGCUU^    --      U          A        GCAAUUCUU 
120       110       100          90        80        70